8690640981 is an odd 10-digits composite number following 8690640980
and preceding 8690640982 . In scientific notation, it is written as 8.690640981 × 10^9.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 5267055120 positive integers (up to 8690640981) that are relatively prime to 8690640981.
8690640981 has 8 divisors, whose sum is 12640932384
The reverse of 8690640981 is 1890460968
Previous prime number is 11
Is Prime? no Number parity odd Number length 10 Sum of Digits 51 Digital Root 6
Name
eight billion six hundred ninety million six hundred forty thousand nine hundred eighty-one
Scientific notation
8.690640981 × 10^9
Engineering notation
8.690640981 × 10^9
Prime Factorization
3 × 11 × 263352757
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
8690640981 Product of the distinct prime numbers
The prime factorization of 8690640981 is 3 × 11 × 263352757.
Since it has a total of 3 prime factors.
3 , 7 , 64 , 72 , 557 , 536 , 9835 , 5561 , 73081 , 67666 , 882822 , 377968 , 1759794 , 1107751 , 49713314 , 34739329 , 930265470 , 679580056 , 1711354557 , 6734967201
n×2
17381281962
n×3
26071922943
n×4
34762563924
n×5
43453204905
n÷2
4345320490.5
n÷3
2896880327
n÷3
2172660245.25
n÷5
1738128196.2
n2
7.5527240660637E+19
n3
6.5638013286718E+29
n4
5.7043640818097E+39
n5
4.957458025992E+49
2 √n93223.607423227
3 √n2055.9723500959
4 √n305.32541234432
5 √n97.232255862417
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-8690640980 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
1 Returns the nth root of the product of n divisors
H Harmonic Mean
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 8690640981 can be divided by 8 positive divisors.
The sum of these divisors (counting 8690640981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000000110000000001010100001010101
3
Ternary
211102122222022012220
4
Quaternary
20012000022201111
5
Quinary
120244301002411
6
Senary
3554210332553
8
Octal
100600124125
10
Decimal
8690640981
12
Duodecimal
182658a159
16
Hexadecimal
20600a855
20
Vigesimal
6ffga291
36
Base36
3zq6lhx
md5
1bfeabc17d66cb0f0bcfbc6ff2ebf02f
sha1
c8505819c706c213500e7d2bdeec6f52aa1f867e
sha256
6c7b98aaa2d988d6459032370c06599baa647c43177d573f397132ad172b0c33
sha512
6d6f2055db6e5bc981661e8a319c7d494e0023cd7564df51a77a5dd6a39b84bd29605af19810723aeaab51981a943ca08b9e4a0033b46a0c9e439828ad156df2
ripemd-160
bfd756f69ee3233e46fd3b7d069890ace2827f52
Diameter
17381281962
Circumference
54604907721.792
Area
2.3727582440536E+20
Volume
2.7494386711704E+30
Surface area
9.4910329762146E+20
Circumference
54604907721.792
Perimeter
34762563924
Area
7.5527240660637E+19
Diagonal
12290422341.046
Surface area
4.5316344396382E+20
Volume
6.5638013286718E+29
Space diagonal
15052631729.432
Perimeter
26071922943
Area
3.2704254544926E+19
Altitude
7526315864.7161
Surface area
3.2704254544926E+19
Volume
7.7355140497751E+28
Height
4096807447.0152